2 2 4-trimethyl-1 3-pentanediol mono-2-methylpropanoate July 8, 2019 16 32 64 128 2 methyl 2 butanol 2 4-pentanedione 3-methyl- 2 2 4-trimethyl-1 3-pentanediol 2 2 4-trimethyl-1 3-pentanediol-monoisobutyrate